java - Python "Event"等同于 Java？

Question

Java 中最接近 threading.Event 的东西是什么(也许是成语)在 Python 中？

Answer 1

Object.wait() Object.notify()/Object.notifyAll() .

或Condition.await()和 Condition.signal()/Condition.signalAll()适用于 Java 5+。

编辑:因为 python 规范与我们通常等待 Java 实现的方式类似:

class Event {
    Lock lock = new ReentrantLock();
    Condition cond = lock.newCondition();
    boolean flag;
    public void doWait() throws InterruptedException {
        lock.lock();
        try {
            while (!flag) {
                cond.await();
            }
        } finally {
            lock.unlock();
        }
    }
    public void doWait(float seconds) throws InterruptedException {
        lock.lock();
        try {
            while (!flag) {
                cond.await((int)(seconds * 1000), TimeUnit.MILLISECONDS);
            }
        } finally {
            lock.unlock();
        }
    }
    public boolean isSet() {
        lock.lock();
        try {
            return flag;
        } finally {
            lock.unlock();
        }
    }
    public void set() {
        lock.lock();
        try {
            flag = true;
            cond.signalAll();
        } finally {
            lock.unlock();
        }
    }
    public void clear() {
        lock.lock();
        try {
            flag = false;
            cond.signalAll();
        } finally {
            lock.unlock();
        }
    }
}